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ItemSwitch.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL$
 * $Id$
 *
 */

#include "ItemSwitch.h"
#include "SDL_ImageResource.h"

namespace CEGUI {

void ItemSwitch::init(WORD referenceTrue, WORD referenceFalse) {
      _backgroundTrue = _background;
      _backgroundFalse = new SDL_ImageResource();
      if (!_backgroundFalse->load(referenceFalse)) {
            delete _backgroundFalse;
            delete _background;
            _background = NULL;
            _backgroundFalse = NULL;
      }
}

ItemSwitch::ItemSwitch(WORD referenceTrue, WORD referenceFalse, bool *item) :
      PanelItem(referenceTrue) {
      init(referenceTrue, referenceFalse);
      _item = item;
      _itemmax = -1;
      if (!*_item)
            _background = _backgroundFalse;
}

ItemSwitch::ItemSwitch(WORD referenceTrue, WORD referenceFalse, int *item, int max) :
      PanelItem(referenceTrue) {
      init(referenceTrue, referenceFalse);
      _itemmultiple = item;
      _itemmax = max;
      if (!*item)
            _background = _backgroundFalse;
}

ItemSwitch::~ItemSwitch() {
      delete _backgroundFalse;
}

bool ItemSwitch::action(int x, int y, bool pushed) {

      if (checkInside(x, y) && _visible && pushed) {
            if (_itemmax <= 0) {
                  *_item = !*_item;
                  if (*_item)
                        _background = _backgroundTrue;
                  else
                        _background = _backgroundFalse;

                  if (_panel)
                        _panel->forceRedraw();

                  return true;
            } else {
                  *_itemmultiple = *_itemmultiple + 1;
                  if (*_itemmultiple > _itemmax)
                        *_itemmultiple = 0;
                  if (*_itemmultiple)
                        _background = _backgroundTrue;
                  else
                        _background = _backgroundFalse;

                  if (_panel)
                        _panel->forceRedraw();

                  return true;
            }
      } else
            return false;
}

} // End of namespace CEGUI

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